add nimble mesh example

need meshctl installed on raspberrypi. nimble offical samples have a lot of pit ...

examples/nimble_mesh_models_example_2/state_binding.h

@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* Bluetooth: Mesh Generic OnOff, Generic Level, Lighting & Vendor Models
+ *
+ * Copyright (c) 2018 Vikrant More
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef _STATE_BINDING_H
+#define _STATE_BINDING_H
+
+enum state_binding {
+	ONPOWERUP = 0x01,
+	ONOFF,
+	LEVEL,
+	DELTA_LEVEL,
+	ACTUAL,
+	LINEAR,
+	CTL,
+	IGNORE,
+
+	ONOFF_TEMP,
+	LEVEL_TEMP,
+	CTL_TEMP,
+	IGNORE_TEMP
+};
+
+extern u16_t lightness, target_lightness;
+extern s16_t temperature, target_temperature;
+
+void state_binding(u8_t lightness, u8_t temperature);
+void calculate_lightness_target_values(u8_t type);
+void calculate_temp_target_values(u8_t type);
+
+#endif